SANY LATIN AMERICA
6-46
SY195/205/215/225C9 Crawler Hydraulic Excavator
Testing and Adjusting
Shop Manual - June 2013
6.19
Air in Each Component - Bleed
Air bleeding item
Contents of work
Air bleeding procedures
1
2
3
4
5
6
Bleed air
from hydrau-
lic pump
Starting
engine
Bleed
air from
cylinder
Bleed air
from swing
motor
Bleed air
form travel
motor
Starting
operation
●
Replacing hydraulic oil
●
Cleaning
fi
lter element
○
○
○
○
(Note)
○
(Note)
○
●
Replacing return
fi
lter element
○
○
●
Repairing/replacing hydraulic pump
●
Removing suction piping
○
○
○
○
●
Repairing/replacing control valve
○
○
○
●
Replacing cylinder
●
Removing cylinder piping
○
○
○
●
Replacing swing motor
●
Removing swing motor piping
○
○
○
●
Replacing travel motor
●
Removing travel motor piping
○
○
○
NOTE: Bleed air from the swing motor and
travel motor only when the oil in the motor
cases is drained.
1. Bleed air from hydraulic pump
1) Loosen the air bleeder (1) and check
that oil oozes out through the air bleed-
er.
2) Tighten the air bleeder (1) if oil is seen.
Bleeder:
7.8~9.8 N·m{0.8~1.0 kgf·m}
NOTE: Run the engine at low idle for
10 minutes after bleeding the air ac-
cording to the above procedure.
1
ZXT215-1004015
https://www.tractormanualpdf.info/